Lewis & Short

plūmōsus, a, um, adj. [pluma], full of down or feathers, covered with feathers, feathered.

  1. I. Lit.: aucupium, Prop. 4 (5), 2, 34.
  2. II. Transf.: folia, downy, Plin. 25, 6, 29, § 65.